From a98d297afbdf24c714f864b0246d9866fd761e97 Mon Sep 17 00:00:00 2001 From: DavidKorczynski Date: Wed, 21 Dec 2022 16:38:17 +0000 Subject: [PATCH] oscrypto: initial integration (#9258) Signed-off-by: David Korczynski Signed-off-by: David Korczynski --- projects/oscrypto/Dockerfile | 18 +++++++ projects/oscrypto/build.sh | 22 +++++++++ projects/oscrypto/fuzz_asymmetric_load.py | 57 +++++++++++++++++++++++ projects/oscrypto/fuzz_keys.py | 37 +++++++++++++++ projects/oscrypto/project.yaml | 10 ++++ 5 files changed, 144 insertions(+) create mode 100644 projects/oscrypto/Dockerfile create mode 100644 projects/oscrypto/build.sh create mode 100644 projects/oscrypto/fuzz_asymmetric_load.py create mode 100644 projects/oscrypto/fuzz_keys.py create mode 100644 projects/oscrypto/project.yaml diff --git a/projects/oscrypto/Dockerfile b/projects/oscrypto/Dockerfile new file mode 100644 index 000000000..31e75add9 --- /dev/null +++ b/projects/oscrypto/Dockerfile @@ -0,0 +1,18 @@ +#!/usr/bin/python3 +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +FROM gcr.io/oss-fuzz-base/base-builder-python +RUN git clone --depth=1 https://github.com/wbond/oscrypto oscrypto +COPY *.sh *py $SRC/ +WORKDIR $SRC/oscrypto diff --git a/projects/oscrypto/build.sh b/projects/oscrypto/build.sh new file mode 100644 index 000000000..338e12e52 --- /dev/null +++ b/projects/oscrypto/build.sh @@ -0,0 +1,22 @@ +#!/bin/bash -eu +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ +pip3 install . + +# Build fuzzers in $OUT. +for fuzzer in $(find $SRC -name 'fuzz_*.py'); do + compile_python_fuzzer $fuzzer +done diff --git a/projects/oscrypto/fuzz_asymmetric_load.py b/projects/oscrypto/fuzz_asymmetric_load.py new file mode 100644 index 000000000..481ca0481 --- /dev/null +++ b/projects/oscrypto/fuzz_asymmetric_load.py @@ -0,0 +1,57 @@ +#!/usr/bin/python3 +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +import sys +import atheris + +from oscrypto import asymmetric, errors, backend + + +def TestOneInput(data): + randfile = "/tmp/random.cert" + with open(randfile, "wb") as f: + f.write(data) + + if not os.path.isfile(randfile): + return + + try: + asymmetric.load_certificate(randfile) + except ValueError: + pass + except OSError: + pass + + try: + asymmetric.load_private_key(randfile) + except ValueError: + pass + except OSError: + pass + + try: + asymmetric.load_public_key(randfile) + except ValueError: + pass + except OSError: + pass + +def main(): + atheris.instrument_all() + atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True) + atheris.Fuzz() + + +if __name__ == "__main__": + main() diff --git a/projects/oscrypto/fuzz_keys.py b/projects/oscrypto/fuzz_keys.py new file mode 100644 index 000000000..891da04cd --- /dev/null +++ b/projects/oscrypto/fuzz_keys.py @@ -0,0 +1,37 @@ +#!/usr/bin/python3 +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +import sys +import atheris + +from oscrypto import keys + + +def TestOneInput(data): + try: + keys.parse_pkcs12(data, b'123') + except ValueError: + pass + except OSError: + pass + + +def main(): + atheris.instrument_all() + atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True) + atheris.Fuzz() + + +if __name__ == "__main__": + main() diff --git a/projects/oscrypto/project.yaml b/projects/oscrypto/project.yaml new file mode 100644 index 000000000..3480961e2 --- /dev/null +++ b/projects/oscrypto/project.yaml @@ -0,0 +1,10 @@ +fuzzing_engines: +- libfuzzer +homepage: https://github.com/wbond/oscrypto +language: python +main_repo: https://github.com/wbond/oscrypto +sanitizers: +- address +- undefined +vendor_ccs: +- david@adalogics.com